A superconducting-circuit heat engine using coupler-assisted multi-photon swaps achieves η = η_C − O(1/N) at power O(N), evading the classical power-efficiency trade-off.
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Disorder in a fermionic cavity changes superradiance from a single bright mode with photon number nb ∝ N to an extensive grey-mode condensate with nb ∝ N².
Partially pumping a waveguide-coupled emitter chain produces continuous narrow-linewidth superradiant emission near the bare atomic transition frequency, with quadratic intensity scaling and near-Poissonian photon statistics.
Resonant energy transfer in dense spin systems is limited by the pair-detuning width of Ising interactions, rescaling relaxation times from r^6 to r^{4.5} in 3D and from r^4 to r^3 in 2D.
Optical driving of NV centers in diamond enhances spin-phonon coupling to induce a tunable SAW phonon superradiant phase transition even in the weak-coupling regime.
In the open coupled-top Dicke model, photon loss induces spontaneous synchronization and two distinct dissipative quantum scars, one protected with persistent revivals and one showing slow decay linked to chaos-assisted tunneling for small spins.
citing papers explorer
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Approaching Carnot Efficiency at Finite Power in an Experimentally Feasible Quantum Heat Engine
A superconducting-circuit heat engine using coupler-assisted multi-photon swaps achieves η = η_C − O(1/N) at power O(N), evading the classical power-efficiency trade-off.
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Disorder-Induced Enhancement of Fermionic Superradiance
Disorder in a fermionic cavity changes superradiance from a single bright mode with photon number nb ∝ N to an extensive grey-mode condensate with nb ∝ N².
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Continuous Narrow-Linewidth Superradiance in Waveguide QED
Partially pumping a waveguide-coupled emitter chain produces continuous narrow-linewidth superradiant emission near the bare atomic transition frequency, with quadratic intensity scaling and near-Poissonian photon statistics.
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Ising Blockade of Resonant Energy Transport in Dense Spin Ensembles
Resonant energy transfer in dense spin systems is limited by the pair-detuning width of Ising interactions, rescaling relaxation times from r^6 to r^{4.5} in 3D and from r^4 to r^3 in 2D.
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Optically Switched Phonon Superradiance of Surface Acoustic Wave in Diamond
Optical driving of NV centers in diamond enhances spin-phonon coupling to induce a tunable SAW phonon superradiant phase transition even in the weak-coupling regime.
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Chaos to Synchronization and Dissipative Quantum Scarring in Open Coupled top-Dicke model in a Lossy Cavity
In the open coupled-top Dicke model, photon loss induces spontaneous synchronization and two distinct dissipative quantum scars, one protected with persistent revivals and one showing slow decay linked to chaos-assisted tunneling for small spins.
- Dissipation-protected energy storage in interacting multilevel quantum batteries